They are not able to sustain a consistent organic flow of work for one reason or another.

That said, the projection still looks sustainable as foreign cash investors continue to value this area; add to that new investors from northern states with high tax burdens, and this continues to be a great real estate market. 

However, I could not sustain that long term just because my objectives are to make some side cash as I get some experience as well in relation to my time availability.

Something that can pay for itself in the long run and sustain keeping a unit open for yourselves?

This just can't be sustained for any length of time..  

In my opinion (take it with a grain of salt), the Hagerstown market is currently being purchased at a higher rate than is sustainable.

The content and topics resonated, and BiggerPockets provided EXACTLY the resources I needed to continue aggressively learning about real estate along with the tools to put that education into action.MY SHORT-TERM GOALS1.

Instead, spread it out over many years, and then you will spread out your risk.Personally I have found that the economics of purchasing C grade single-family rentals and multifamily is not sustainable or feasible.

I don't see nearly enough value in this business plan for it to be a sustainable & profitable business.

Look for someone whose posts resonate with you and then strike up a conversation with them through PM or other means to get a better feel for whether or not you would like to work with them (and they will likely be evaluating you, too).